Michael S. Tonzi, MD
Urology Physician · Montrose, CO
Michael S. Tonzi, MD is a urology physician with a practice address in Montrose, Colorado, and NPI 1427555309, issued on Apr 9, 2018. Check the license (Colorado DR.0070008, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Michael S. Tonzi
- Credential
- MD
- Primary taxonomy
- Urology Physician 208800000X
- License number
- DR.0070008 CO
Self-reported in NPPES; status is on the state search - Practice location
- 3330 S Rio Grande Ave Ste 140, Montrose, CO 81401
- Phone
- (970) 497-8100
- Enumerated
- Apr 9, 2018
- Record last updated
- Oct 15, 2025
- Fax
- (970) 497-8101
- Medicare enrollment
- Enrolled (PECOS I20230712000130); accepts Medicare assignment
- Medical or professional school
- State University Of Ny Upstate Medical University, 2018
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest urology physician records → All 249 in Colorado → Look up another NPI →
Also registered at 3330 S Rio Grande Ave Ste 140
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Craig Peterson, MDUrology Physician1598739054
Verify Michael S. Tonzi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0070008Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% fewer Medicare Part D claims than the average urology physician in 2024
780 Medicare Part D claims for 270 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 11 claims were for opioids.
Most prescribed
- Tamsulosin Hcl179 claims
- Nitrofurantoin Mono-Macro79 claims
- Finasteride77 claims
- Sulfamethoxazole-Trimethoprim69 claims
- Myrbetriq67 claims
- Nitrofurantoin54 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 38.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $343.71
11 payments; by number, the most common kind was food and beverage; the largest payer was Teleflex LLC. The 9,340 providers of this specialty with any payment received $3,800.04 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Montrose Memorial Hospital, IncMontrose, CO
- San Juan Urology Associates IncMontrose, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael S. Tonzi among 249 urology physician records in Colorado
Michael S. Tonzi, MD is one of 249 urology physician records with a practice address in Colorado. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 89% of them.
- NPI issued2018 · 89% of these records are older, 7% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2018 · median 2006 among the 175 with a school on file
- Record last updated2025 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Urology Physician providers in Colorado
There are 249 urology physician records in Colorado.
All 249 in Colorado → Every provider in Montrose → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- Craig Peterson, MDMontrose, CO 814011598739054
- Mark Forrest, MDDurango, CO 813011265469340
- Harry Kiracofe, M.D.Durango, CO 813011689824351
- Frank Mayer, MDDurango, CO 813011205866795
- James McBride, MDDurango, CO 813011891057923
- Edward Pienkos, MDDurango, CO 813011356324669
- Sejal Quayle, M.D.Durango, CO 813011538156484
- Steven Steinberg, M.D.Durango, CO 813011225037062
Common questions
What is Michael S. Tonzi, MD's NPI number?
Michael S. Tonzi, MD's National Provider Identifier (NPI) is 1427555309, issued on Apr 9, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Michael S. Tonzi, MD located?
The NPPES record lists a practice address at 3330 S Rio Grande Ave Ste 140, Montrose, CO, 81401. Phone: (970) 497-8100. Providers update this record themselves, so call before visiting.
How can I verify Michael S. Tonzi, MD's license?
NPPES lists Colorado license number DR.0070008, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael S. Tonzi, MD prescribe under Medicare Part D?
In 2024, Michael S. Tonzi, MD had 780 Medicare Part D claims for 270 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.
What is Michael S. Tonzi, MD's MIPS final score?
The 2023 MIPS final score is 38.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.